195100088920 has 32 divisors (see below), whose sum is σ = 478882037520. Its totient is φ = 70945486720.

The previous prime is 195100088899. The next prime is 195100088947. The reversal of 195100088920 is 29880001591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221704207 + ... + 221705086.

Almost surely, 2^195100088920 is an apocalyptic number.

195100088920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195100088920 is an abundant number, since it is smaller than the sum of its proper divisors (283781948600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195100088920 is a wasteful number, since it uses less digits than its factorization.

195100088920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443409315 (or 443409311 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 43.

The spelling of 195100088920 in words is "one hundred ninety-five billion, one hundred million, eighty-eight thousand, nine hundred twenty".